The Reds knew that a win would secure a place in the last-16 of the competition, but they were expected to have a lot on their hands as they took on the side fifth in la Liga who drew with them at Anfield earlier in the season and beat them in the final of the Europa League in 2016.

And then the match kicked off.

Firmino opened the scored early (Image: Liverpool FC)

Mane's low header made it two. (Image: Liverpool FC)

Amazing, Liverpool opened the scoring within 90 seconds when Roberto Firmino tucked in at the far post from a corner, before Sadio Mane made it 2-0 on 22 minutes with a low header from another corner from that side.

And given that Liverpool are, well, usually useless from corners, fans had a lot to say.

Firmino soon made it 3-0 when he tapped in after Mane's fast break, leaving supporters in dreamland.